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City of CaseyCommunity profile

Lynbrook

Five year age groups

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In 2021, the largest age group in Lynbrook was 35 to 39 year olds. The group that changed the most since 1991 was 35 to 39 year olds, increasing by 749 people.

The Age Structure of Lynbrook provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of Lynbrook's residential role and function and how it is likely to change in the future.

Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.

To get a more complete picture Lynbrook's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.

Q:

Derived from the Census question:

'What is the person's date of birth or age?'

Age structure - Five year age groups
Lynbrook - Total persons (Enumerated)20211991Change
Five year age groups (years)Number%City of Casey %Number%City of Casey %1991 to 2021
0 to 46577.27.7413.910.4+652
5 to 97147.87.927.79.7+711
10 to 147398.17.226.48.3+737
15 to 196427.06.415.27.2+640
20 to 246887.66.7413.97.9+683
25 to 296206.87.2517.59.9+614
30 to 346276.98.1311.410.4+623
35 to 397528.38.739.39.0+749
40 to 446907.67.214.27.5+689
45 to 496647.36.413.35.2+663
50 to 546196.86.001.83.7+618
55 to 594775.25.301.22.9+477
60 to 643954.34.602.32.7+394
65 to 692602.93.601.02.0+260
70 to 742012.22.800.31.4+201
75 to 791321.41.900.10.9+132
80 to 84941.01.300.40.5+94
85 and over1391.51.10--0.3+139
Total population9,110100.0100.034100.0100.0+9,076
Source: Australian Bureau of Statistics, Census of Population and Housing 1991 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of Lynbrook in 2021 compared to the City of Casey shows that there was a similar proportion of people in the younger age groups (under 15) and a lower proportion of people in the older age groups (65+).

Overall, 23.2% of the population was aged between 0 and 15, and 9.1% were aged 65 years and over, compared with 22.8% and 10.7% respectively for the City of Casey.

The major differences between the age structure of Lynbrook and the City of Casey were:

  • A larger percentage of persons aged 20 to 24 (7.6% compared to 6.7%)
  • A larger percentage of persons aged 10 to 14 (8.1% compared to 7.2%)
  • A larger percentage of persons aged 45 to 49 (7.3% compared to 6.4%)
  • A smaller percentage of persons aged 30 to 34 (6.9% compared to 8.1%)

Emerging groups

From 1991 to 2021, Lynbrook's population increased by 9,076 people (26694.1%). This represents an average annual population change of 20.49% per year over the period.

The largest changes in age structure in this area between 1991 and 2021 were in the age groups:

  • 35 to 39 (+749 persons)
  • 10 to 14 (+737 persons)
  • 5 to 9 (+711 persons)
  • 40 to 44 (+689 persons)

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